Clamping device for clamping a workpiece and processing table with a clamping device

Abstract

The invention relates to a clamping device for clamping a workpiece, comprising a clamping element for clamping the workpiece; a rod having multiple radial slits disposed one behind the other in longitudinal direction of the rod, which each only extend along a partial circumferential area of the rod; a receiving device for receiving the clamping element and the rod; a longitudinal guide, within which the rod is disposed rotatably between a latching position and a release position; a locking mechanism disposed on the longitudinal guide, which does not engage with any of the radial slits in the release position such that the rod is movable in axial direction within the longitudinal guide, and engages with at least one of the radial slits in the latching position such that the rod is fixed in axial direction within the longitudinal guide. Furthermore, the invention relates to a processing table with a clamping device.

The invention claimed is: 
     
       1. A clamping device for clamping a workpiece, comprising
 a clamping element for clamping the workpiece; 
 a rod having multiple radial slits disposed one behind the other in a longitudinal direction of the rod, which each only extend along a partial circumferential area of the rod; 
 a receiving device for receiving a clamping element and the rod; 
 a longitudinal guide, within which the rod is disposed rotatably between a latching position and a release position; 
 a locking mechanism disposed on the longitudinal guide, which does not engage with any of the radial slits in the release position such that the rod is movable in an axial direction within the longitudinal guide, and engages with at least one of the radial slits in the latching position such that the rod is fixed in the axial direction within the longitudinal guide. 
 
     
     
       2. A clamping device according to  claim 1 , wherein the receiving device has a first receiving bore, in which the rod is rotationally fixedly received. 
     
     
       3. A clamping device according to  claim 2 , wherein the rod is axially displaceably received in the first receiving bore. 
     
     
       4. A clamping device according to  claim 2 , wherein the receiving bore has a stud in the interior, which is guided in a longitudinal groove of the rod bounded at both ends. 
     
     
       5. A clamping device according to  claim 2 , wherein the receiving device has a second receiving bore, in which a guide rod of the clamping element is axially displaceably and rotatably receivable. 
     
     
       6. A clamping device according to  claim 5 , wherein the first receiving bore extends perpendicularly to the second receiving bore. 
     
     
       7. A clamping device according to  claim 5 , wherein the receiving device has a third receiving bore, in which the guide rod of the clamping element is axially displaceably and rotatably receivable. 
     
     
       8. A clamping device according to  claim 7 , wherein the first receiving bore extends parallel to the third receiving bore. 
     
     
       9. A clamping device according to  claim 5 , wherein the longitudinal guide has a latching mechanism, by means of which the guide rod is fixable to the longitudinal guide. 
     
     
       10. A clamping device according to  claim 1 , characterized in that the latching mechanism has a spring element acting radially inwards in a radial direction of the rod, which does not engage with any of the radial slits in the release position and engages with at least one of the radial slits in the latching position. 
     
     
       11. A clamping device according to  claim 10 , wherein the spring element has a nose, which passes through a bore in the longitudinal guide and does not engage with any of the radial slits in the release position and engages with at least one of the radial slits in the latching position. 
     
     
       12. A clamping device according to  claim 1 , wherein the clamping device has a fixture serving as an abutment for the workpiece, which can be disposed on the rod. 
     
     
       13. A clamping device according to  claim 1 , wherein the receiving device has at least one supporting surface for the workpiece. 
     
     
       14. A clamping device according to any one of the preceding claims, wherein the longitudinal guide is fixable to a processing table, in particular on a bottom of the processing table. 
     
     
       15. A processing table with a clamping device according to  claim 1 .